问题补充:
Professor Williams keeps telling his students that the future to the well-educated.
A. is belonging
B. is belonged
C. belongs
D. will be belonged
答案:
A. is belonging
B. is belonged
(答案→)C. belongs
D. will be belonged
解析:考查时态,由前面的句子可以确定是一般现在时态,所以选C,固定词组keep doing意思“保持做某事”,belong to意思“属于”